Adjust dependencies for CI service (#4)

* linux-frozen: remove qt5-tools

This reverts commit 6ce52747cd.
Since freezing this package is not possible

* linux-fresh and mingw: add p7zip

linux-fresh/Dockerfile

@@ -2,4 +2,4 @@ FROM ubuntu:18.04
 MAINTAINER citra
 RUN useradd -m -s /bin/bash citra
 RUN apt-get update && apt-get -y full-upgrade
-RUN apt-get install -y build-essential libsdl2-dev qtbase5-dev libqt5opengl5-dev qtmultimedia5-dev qttools5-dev qttools5-dev-tools wget git ccache cmake
+RUN apt-get install -y p7zip-full build-essential libsdl2-dev qtbase5-dev libqt5opengl5-dev qtmultimedia5-dev qttools5-dev qttools5-dev-tools wget git ccache cmake

linux-frozen/Dockerfile

@@ -6,7 +6,6 @@ RUN apt-get update && apt-get install -y build-essential wget git python-launchp
 RUN cd /tmp/pkgs && python2 install_package.py \
     libsdl2-dev 2.0.7+dfsg1-3ubuntu1 bionic          \
     qtbase5-dev 5.9.3+dfsg-0ubuntu2 bionic           \
-    qttools5-dev-tools 5.9.5-0ubuntu1 bionic         \
     libqt5opengl5-dev 5.9.3+dfsg-0ubuntu2 bionic     \
     qt5-qmltooling-plugins 5.9.3-0ubuntu1 bionic     \
     qtdeclarative5-dev 5.9.3-0ubuntu1 bionic         \

linux-mingw/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:18.04
 MAINTAINER citra
 RUN useradd -m -s /bin/bash citra
-RUN apt-get update && apt-get install -y gpg wget git python3-pip ccache g++-mingw-w64-x86-64 gcc-mingw-w64-x86-64 mingw-w64-tools cmake
+RUN apt-get update && apt-get install -y gpg wget git python3-pip ccache p7zip-full g++-mingw-w64-x86-64 gcc-mingw-w64-x86-64 mingw-w64-tools cmake
 # workaround broken headers in Ubuntu MinGW package
 COPY errno.h /usr/x86_64-w64-mingw32/include/
 # HACK: the repository does not contain necessary packages for 18.04, we'll use packages for 17.10 for now